--- /dev/null
+/* from src/prism2/download/prism2dl.c
+*
+* utility for downloading prism2 images moved into kernelspace
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+* The contents of this file are subject to the Mozilla Public
+* License Version 1.1 (the "License"); you may not use this file
+* except in compliance with the License. You may obtain a copy of
+* the License at http://www.mozilla.org/MPL/
+*
+* Software distributed under the License is distributed on an "AS
+* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+* implied. See the License for the specific language governing
+* rights and limitations under the License.
+*
+* Alternatively, the contents of this file may be used under the
+* terms of the GNU Public License version 2 (the "GPL"), in which
+* case the provisions of the GPL are applicable instead of the
+* above. If you wish to allow the use of your version of this file
+* only under the terms of the GPL and not to allow others to use
+* your version of this file under the MPL, indicate your decision
+* by deleting the provisions above and replace them with the notice
+* and other provisions required by the GPL. If you do not delete
+* the provisions above, a recipient may use your version of this
+* file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*/
+
+/*================================================================*/
+/* System Includes */
+#include <linux/ihex.h>
+#include <linux/slab.h>
+
+/*================================================================*/
+/* Local Constants */
+
+#define PRISM2_USB_FWFILE "prism2_ru.fw"
+MODULE_FIRMWARE(PRISM2_USB_FWFILE);
+
+#define S3DATA_MAX 5000
+#define S3PLUG_MAX 200
+#define S3CRC_MAX 200
+#define S3INFO_MAX 50
+
+#define S3ADDR_PLUG (0xff000000UL)
+#define S3ADDR_CRC (0xff100000UL)
+#define S3ADDR_INFO (0xff200000UL)
+#define S3ADDR_START (0xff400000UL)
+
+#define CHUNKS_MAX 100
+
+#define WRITESIZE_MAX 4096
+
+/*================================================================*/
+/* Local Types */
+
+struct s3datarec {
+ u32 len;
+ u32 addr;
+ u8 checksum;
+ u8 *data;
+};
+
+struct s3plugrec {
+ u32 itemcode;
+ u32 addr;
+ u32 len;
+};
+
+struct s3crcrec {
+ u32 addr;
+ u32 len;
+ unsigned int dowrite;
+};
+
+struct s3inforec {
+ u16 len;
+ u16 type;
+ union {
+ hfa384x_compident_t version;
+ hfa384x_caplevel_t compat;
+ u16 buildseq;
+ hfa384x_compident_t platform;
+ } info;
+};
+
+struct pda {
+ u8 buf[HFA384x_PDA_LEN_MAX];
+ hfa384x_pdrec_t *rec[HFA384x_PDA_RECS_MAX];
+ unsigned int nrec;
+};
+
+struct imgchunk {
+ u32 addr; /* start address */
+ u32 len; /* in bytes */
+ u16 crc; /* CRC value (if it falls at a chunk boundary) */
+ u8 *data;
+};
+
+/*================================================================*/
+/* Local Static Definitions */
+
+/*----------------------------------------------------------------*/
+/* s-record image processing */
+
+/* Data records */
+static unsigned int ns3data;
+static struct s3datarec s3data[S3DATA_MAX];
+
+/* Plug records */
+static unsigned int ns3plug;
+static struct s3plugrec s3plug[S3PLUG_MAX];
+
+/* CRC records */
+static unsigned int ns3crc;
+static struct s3crcrec s3crc[S3CRC_MAX];
+
+/* Info records */
+static unsigned int ns3info;
+static struct s3inforec s3info[S3INFO_MAX];
+
+/* S7 record (there _better_ be only one) */
+static u32 startaddr;
+
+/* Load image chunks */
+static unsigned int nfchunks;
+static struct imgchunk fchunk[CHUNKS_MAX];
+
+/* Note that for the following pdrec_t arrays, the len and code */
+/* fields are stored in HOST byte order. The mkpdrlist() function */
+/* does the conversion. */
+/*----------------------------------------------------------------*/
+/* PDA, built from [card|newfile]+[addfile1+addfile2...] */
+
+static struct pda pda;
+static hfa384x_compident_t nicid;
+static hfa384x_caplevel_t rfid;
+static hfa384x_caplevel_t macid;
+static hfa384x_caplevel_t priid;
+
+/*================================================================*/
+/* Local Function Declarations */
+
+static int prism2_fwapply(const struct ihex_binrec *rfptr,
+wlandevice_t *wlandev);
+
+static int read_fwfile(const struct ihex_binrec *rfptr);
+
+static int mkimage(struct imgchunk *clist, unsigned int *ccnt);
+
+static int read_cardpda(struct pda *pda, wlandevice_t *wlandev);
+
+static int mkpdrlist(struct pda *pda);
+
+static int plugimage(struct imgchunk *fchunk, unsigned int nfchunks,
+ struct s3plugrec *s3plug, unsigned int ns3plug, struct pda *pda);
+
+static int crcimage(struct imgchunk *fchunk, unsigned int nfchunks,
+ struct s3crcrec *s3crc, unsigned int ns3crc);
+
+static int writeimage(wlandevice_t *wlandev, struct imgchunk *fchunk,
+ unsigned int nfchunks);
+static void free_chunks(struct imgchunk *fchunk, unsigned int *nfchunks);
+
+static void free_srecs(void);
+
+static int validate_identity(void);
+
+/*================================================================*/
+/* Function Definitions */
+
+/*----------------------------------------------------------------
+* prism2_fwtry
+*
+* Try and get firmware into memory
+*
+* Arguments:
+* udev usb device structure
+* wlandev wlan device structure
+*
+* Returns:
+* 0 - success
+* ~0 - failure
+----------------------------------------------------------------*/
+static int prism2_fwtry(struct usb_device *udev, wlandevice_t *wlandev)
+{
+ const struct firmware *fw_entry = NULL;
+
+ netdev_info(wlandev->netdev, "prism2_usb: Checking for firmware %s\n",
+ PRISM2_USB_FWFILE);
+ if (request_ihex_firmware(&fw_entry,
+ PRISM2_USB_FWFILE, &udev->dev) != 0) {
+ netdev_info(wlandev->netdev,
+ "prism2_usb: Firmware not available, but not essential\n");
+ netdev_info(wlandev->netdev,
+ "prism2_usb: can continue to use card anyway.\n");
+ return 1;
+ }
+
+ netdev_info(wlandev->netdev,
+ "prism2_usb: %s will be processed, size %zu\n",
+ PRISM2_USB_FWFILE, fw_entry->size);
+ prism2_fwapply((const struct ihex_binrec *)fw_entry->data, wlandev);
+
+ release_firmware(fw_entry);
+ return 0;
+}
+
+/*----------------------------------------------------------------
+* prism2_fwapply
+*
+* Apply the firmware loaded into memory
+*
+* Arguments:
+* rfptr firmware image in kernel memory
+* wlandev device
+*
+* Returns:
+* 0 - success
+* ~0 - failure
+----------------------------------------------------------------*/
+static int prism2_fwapply(const struct ihex_binrec *rfptr,
+ wlandevice_t *wlandev)
+{
+ signed int result = 0;
+ struct p80211msg_dot11req_mibget getmsg;
+ p80211itemd_t *item;
+ u32 *data;
+
+ /* Initialize the data structures */
+ ns3data = 0;
+ memset(s3data, 0, sizeof(s3data));
+ ns3plug = 0;
+ memset(s3plug, 0, sizeof(s3plug));
+ ns3crc = 0;
+ memset(s3crc, 0, sizeof(s3crc));
+ ns3info = 0;
+ memset(s3info, 0, sizeof(s3info));
+ startaddr = 0;
+
+ nfchunks = 0;
+ memset(fchunk, 0, sizeof(fchunk));
+ memset(&nicid, 0, sizeof(nicid));
+ memset(&rfid, 0, sizeof(rfid));
+ memset(&macid, 0, sizeof(macid));
+ memset(&priid, 0, sizeof(priid));
+
+ /* clear the pda and add an initial END record */
+ memset(&pda, 0, sizeof(pda));
+ pda.rec[0] = (hfa384x_pdrec_t *) pda.buf;
+ pda.rec[0]->len = cpu_to_le16(2); /* len in words */
+ pda.rec[0]->code = cpu_to_le16(HFA384x_PDR_END_OF_PDA);
+ pda.nrec = 1;
+
+ /*-----------------------------------------------------*/
+ /* Put card into fwload state */
+ prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
+
+ /* Build the PDA we're going to use. */
+ if (read_cardpda(&pda, wlandev)) {
+ netdev_err(wlandev->netdev, "load_cardpda failed, exiting.\n");
+ return 1;
+ }
+
+ /* read the card's PRI-SUP */
+ memset(&getmsg, 0, sizeof(getmsg));
+ getmsg.msgcode = DIDmsg_dot11req_mibget;
+ getmsg.msglen = sizeof(getmsg);
+ strcpy(getmsg.devname, wlandev->name);
+
+ getmsg.mibattribute.did = DIDmsg_dot11req_mibget_mibattribute;
+ getmsg.mibattribute.status = P80211ENUM_msgitem_status_data_ok;
+ getmsg.resultcode.did = DIDmsg_dot11req_mibget_resultcode;
+ getmsg.resultcode.status = P80211ENUM_msgitem_status_no_value;
+
+ item = (p80211itemd_t *) getmsg.mibattribute.data;
+ item->did = DIDmib_p2_p2NIC_p2PRISupRange;
+ item->status = P80211ENUM_msgitem_status_no_value;
+
+ data = (u32 *) item->data;
+
+ /* DIDmsg_dot11req_mibget */
+ prism2mgmt_mibset_mibget(wlandev, &getmsg);
+ if (getmsg.resultcode.data != P80211ENUM_resultcode_success)
+ netdev_err(wlandev->netdev, "Couldn't fetch PRI-SUP info\n");
+
+ /* Already in host order */
+ priid.role = *data++;
+ priid.id = *data++;
+ priid.variant = *data++;
+ priid.bottom = *data++;
+ priid.top = *data++;
+
+ /* Read the S3 file */
+ result = read_fwfile(rfptr);
+ if (result) {
+ netdev_err(wlandev->netdev,
+ "Failed to read the data exiting.\n");
+ return 1;
+ }
+
+ result = validate_identity();
+
+ if (result) {
+ netdev_err(wlandev->netdev, "Incompatible firmware image.\n");
+ return 1;
+ }
+
+ if (startaddr == 0x00000000) {
+ netdev_err(wlandev->netdev,
+ "Can't RAM download a Flash image!\n");
+ return 1;
+ }
+
+ /* Make the image chunks */
+ result = mkimage(fchunk, &nfchunks);
+
+ /* Do any plugging */
+ result = plugimage(fchunk, nfchunks, s3plug, ns3plug, &pda);
+ if (result) {
+ netdev_err(wlandev->netdev, "Failed to plug data.\n");
+ return 1;
+ }
+
+ /* Insert any CRCs */
+ if (crcimage(fchunk, nfchunks, s3crc, ns3crc)) {
+ netdev_err(wlandev->netdev, "Failed to insert all CRCs\n");
+ return 1;
+ }
+
+ /* Write the image */
+ result = writeimage(wlandev, fchunk, nfchunks);
+ if (result) {
+ netdev_err(wlandev->netdev, "Failed to ramwrite image data.\n");
+ return 1;
+ }
+
+ /* clear any allocated memory */
+ free_chunks(fchunk, &nfchunks);
+ free_srecs();
+
+ netdev_info(wlandev->netdev, "prism2_usb: firmware loading finished.\n");
+
+ return result;
+}
+
+/*----------------------------------------------------------------
+* crcimage
+*
+* Adds a CRC16 in the two bytes prior to each block identified by
+* an S3 CRC record. Currently, we don't actually do a CRC we just
+* insert the value 0xC0DE in hfa384x order.
+*
+* Arguments:
+* fchunk Array of image chunks
+* nfchunks Number of image chunks
+* s3crc Array of crc records
+* ns3crc Number of crc records
+*
+* Returns:
+* 0 success
+* ~0 failure
+----------------------------------------------------------------*/
+static int crcimage(struct imgchunk *fchunk, unsigned int nfchunks,
+ struct s3crcrec *s3crc, unsigned int ns3crc)
+{
+ int result = 0;
+ int i;
+ int c;
+ u32 crcstart;
+ u32 crcend;
+ u32 cstart = 0;
+ u32 cend;
+ u8 *dest;
+ u32 chunkoff;
+
+ for (i = 0; i < ns3crc; i++) {
+ if (!s3crc[i].dowrite)
+ continue;
+ crcstart = s3crc[i].addr;
+ crcend = s3crc[i].addr + s3crc[i].len;
+ /* Find chunk */
+ for (c = 0; c < nfchunks; c++) {
+ cstart = fchunk[c].addr;
+ cend = fchunk[c].addr + fchunk[c].len;
+ /* the line below does an address & len match search */
+ /* unfortunately, I've found that the len fields of */
+ /* some crc records don't match with the length of */
+ /* the actual data, so we're not checking right now */
+ /* if (crcstart-2 >= cstart && crcend <= cend) break; */
+
+ /* note the -2 below, it's to make sure the chunk has */
+ /* space for the CRC value */
+ if (crcstart - 2 >= cstart && crcstart < cend)
+ break;
+ }
+ if (c >= nfchunks) {
+ pr_err("Failed to find chunk for crcrec[%d], addr=0x%06x len=%d , aborting crc.\n",
+ i, s3crc[i].addr, s3crc[i].len);
+ return 1;
+ }
+
+ /* Insert crc */
+ pr_debug("Adding crc @ 0x%06x\n", s3crc[i].addr - 2);
+ chunkoff = crcstart - cstart - 2;
+ dest = fchunk[c].data + chunkoff;
+ *dest = 0xde;
+ *(dest + 1) = 0xc0;
+
+ }
+ return result;
+}
+
+/*----------------------------------------------------------------
+* free_chunks
+*
+* Clears the chunklist data structures in preparation for a new file.
+*
+* Arguments:
+* none
+*
+* Returns:
+* nothing
+----------------------------------------------------------------*/
+static void free_chunks(struct imgchunk *fchunk, unsigned int *nfchunks)
+{
+ int i;
+
+ for (i = 0; i < *nfchunks; i++)
+ kfree(fchunk[i].data);
+
+ *nfchunks = 0;
+ memset(fchunk, 0, sizeof(*fchunk));
+
+}
+
+/*----------------------------------------------------------------
+* free_srecs
+*
+* Clears the srec data structures in preparation for a new file.
+*
+* Arguments:
+* none
+*
+* Returns:
+* nothing
+----------------------------------------------------------------*/
+static void free_srecs(void)
+{
+ ns3data = 0;
+ memset(s3data, 0, sizeof(s3data));
+ ns3plug = 0;
+ memset(s3plug, 0, sizeof(s3plug));
+ ns3crc = 0;
+ memset(s3crc, 0, sizeof(s3crc));
+ ns3info = 0;
+ memset(s3info, 0, sizeof(s3info));
+ startaddr = 0;
+}
+
+/*----------------------------------------------------------------
+* mkimage
+*
+* Scans the currently loaded set of S records for data residing
+* in contiguous memory regions. Each contiguous region is then
+* made into a 'chunk'. This function assumes that we're building
+* a new chunk list. Assumes the s3data items are in sorted order.
+*
+* Arguments: none
+*
+* Returns:
+* 0 - success
+* ~0 - failure (probably an errno)
+----------------------------------------------------------------*/
+static int mkimage(struct imgchunk *clist, unsigned int *ccnt)
+{
+ int result = 0;
+ int i;
+ int j;
+ int currchunk = 0;
+ u32 nextaddr = 0;
+ u32 s3start;
+ u32 s3end;
+ u32 cstart = 0;
+ u32 cend;
+ u32 coffset;
+
+ /* There may already be data in the chunklist */
+ *ccnt = 0;
+
+ /* Establish the location and size of each chunk */
+ for (i = 0; i < ns3data; i++) {
+ if (s3data[i].addr == nextaddr) {
+ /* existing chunk, grow it */
+ clist[currchunk].len += s3data[i].len;
+ nextaddr += s3data[i].len;
+ } else {
+ /* New chunk */
+ (*ccnt)++;
+ currchunk = *ccnt - 1;
+ clist[currchunk].addr = s3data[i].addr;
+ clist[currchunk].len = s3data[i].len;
+ nextaddr = s3data[i].addr + s3data[i].len;
+ /* Expand the chunk if there is a CRC record at */
+ /* their beginning bound */
+ for (j = 0; j < ns3crc; j++) {
+ if (s3crc[j].dowrite &&
+ s3crc[j].addr == clist[currchunk].addr) {
+ clist[currchunk].addr -= 2;
+ clist[currchunk].len += 2;
+ }
+ }
+ }
+ }
+
+ /* We're currently assuming there aren't any overlapping chunks */
+ /* if this proves false, we'll need to add code to coalesce. */
+
+ /* Allocate buffer space for chunks */
+ for (i = 0; i < *ccnt; i++) {
+ clist[i].data = kzalloc(clist[i].len, GFP_KERNEL);
+ if (clist[i].data == NULL) {
+ pr_err("failed to allocate image space, exitting.\n");
+ return 1;
+ }
+ pr_debug("chunk[%d]: addr=0x%06x len=%d\n",
+ i, clist[i].addr, clist[i].len);
+ }
+
+ /* Copy srec data to chunks */
+ for (i = 0; i < ns3data; i++) {
+ s3start = s3data[i].addr;
+ s3end = s3start + s3data[i].len - 1;
+ for (j = 0; j < *ccnt; j++) {
+ cstart = clist[j].addr;
+ cend = cstart + clist[j].len - 1;
+ if (s3start >= cstart && s3end <= cend)
+ break;
+ }
+ if (((unsigned int)j) >= (*ccnt)) {
+ pr_err("s3rec(a=0x%06x,l=%d), no chunk match, exiting.\n",
+ s3start, s3data[i].len);
+ return 1;
+ }
+ coffset = s3start - cstart;
+ memcpy(clist[j].data + coffset, s3data[i].data, s3data[i].len);
+ }
+
+ return result;
+}
+
+/*----------------------------------------------------------------
+* mkpdrlist
+*
+* Reads a raw PDA and builds an array of pdrec_t structures.
+*
+* Arguments:
+* pda buffer containing raw PDA bytes
+* pdrec ptr to an array of pdrec_t's. Will be filled on exit.
+* nrec ptr to a variable that will contain the count of PDRs
+*
+* Returns:
+* 0 - success
+* ~0 - failure (probably an errno)
+----------------------------------------------------------------*/
+static int mkpdrlist(struct pda *pda)
+{
+ int result = 0;
+ u16 *pda16 = (u16 *) pda->buf;
+ int curroff; /* in 'words' */
+
+ pda->nrec = 0;
+ curroff = 0;
+ while (curroff < (HFA384x_PDA_LEN_MAX / 2) &&
+ le16_to_cpu(pda16[curroff + 1]) != HFA384x_PDR_END_OF_PDA) {
+ pda->rec[pda->nrec] = (hfa384x_pdrec_t *) &(pda16[curroff]);
+
+ if (le16_to_cpu(pda->rec[pda->nrec]->code) ==
+ HFA384x_PDR_NICID) {
+ memcpy(&nicid, &pda->rec[pda->nrec]->data.nicid,
+ sizeof(nicid));
+ nicid.id = le16_to_cpu(nicid.id);
+ nicid.variant = le16_to_cpu(nicid.variant);
+ nicid.major = le16_to_cpu(nicid.major);
+ nicid.minor = le16_to_cpu(nicid.minor);
+ }
+ if (le16_to_cpu(pda->rec[pda->nrec]->code) ==
+ HFA384x_PDR_MFISUPRANGE) {
+ memcpy(&rfid, &pda->rec[pda->nrec]->data.mfisuprange,
+ sizeof(rfid));
+ rfid.id = le16_to_cpu(rfid.id);
+ rfid.variant = le16_to_cpu(rfid.variant);
+ rfid.bottom = le16_to_cpu(rfid.bottom);
+ rfid.top = le16_to_cpu(rfid.top);
+ }
+ if (le16_to_cpu(pda->rec[pda->nrec]->code) ==
+ HFA384x_PDR_CFISUPRANGE) {
+ memcpy(&macid, &pda->rec[pda->nrec]->data.cfisuprange,
+ sizeof(macid));
+ macid.id = le16_to_cpu(macid.id);
+ macid.variant = le16_to_cpu(macid.variant);
+ macid.bottom = le16_to_cpu(macid.bottom);
+ macid.top = le16_to_cpu(macid.top);
+ }
+
+ (pda->nrec)++;
+ curroff += le16_to_cpu(pda16[curroff]) + 1;
+
+ }
+ if (curroff >= (HFA384x_PDA_LEN_MAX / 2)) {
+ pr_err("no end record found or invalid lengths in PDR data, exiting. %x %d\n",
+ curroff, pda->nrec);
+ return 1;
+ }
+ if (le16_to_cpu(pda16[curroff + 1]) == HFA384x_PDR_END_OF_PDA) {
+ pda->rec[pda->nrec] = (hfa384x_pdrec_t *) &(pda16[curroff]);
+ (pda->nrec)++;
+ }
+ return result;
+}
+
+/*----------------------------------------------------------------
+* plugimage
+*
+* Plugs the given image using the given plug records from the given
+* PDA and filename.
+*
+* Arguments:
+* fchunk Array of image chunks
+* nfchunks Number of image chunks
+* s3plug Array of plug records
+* ns3plug Number of plug records
+* pda Current pda data
+*
+* Returns:
+* 0 success
+* ~0 failure
+----------------------------------------------------------------*/
+static int plugimage(struct imgchunk *fchunk, unsigned int nfchunks,
+ struct s3plugrec *s3plug, unsigned int ns3plug, struct pda *pda)
+{
+ int result = 0;
+ int i; /* plug index */
+ int j; /* index of PDR or -1 if fname plug */
+ int c; /* chunk index */
+ u32 pstart;
+ u32 pend;
+ u32 cstart = 0;
+ u32 cend;
+ u32 chunkoff;
+ u8 *dest;
+
+ /* for each plug record */
+ for (i = 0; i < ns3plug; i++) {
+ pstart = s3plug[i].addr;
+ pend = s3plug[i].addr + s3plug[i].len;
+ /* find the matching PDR (or filename) */
+ if (s3plug[i].itemcode != 0xffffffffUL) { /* not filename */
+ for (j = 0; j < pda->nrec; j++) {
+ if (s3plug[i].itemcode ==
+ le16_to_cpu(pda->rec[j]->code))
+ break;
+ }
+ } else {
+ j = -1;
+ }
+ if (j >= pda->nrec && j != -1) { /* if no matching PDR, fail */
+ pr_warn("warning: Failed to find PDR for plugrec 0x%04x.\n",
+ s3plug[i].itemcode);
+ continue; /* and move on to the next PDR */
+#if 0
+ /* MSM: They swear that unless it's the MAC address,
+ * the serial number, or the TX calibration records,
+ * then there's reasonable defaults in the f/w
+ * image. Therefore, missing PDRs in the card
+ * should only be a warning, not fatal.
+ * TODO: add fatals for the PDRs mentioned above.
+ */
+ result = 1;
+ continue;
+#endif
+ }
+
+ /* Validate plug len against PDR len */
+ if (j != -1 && s3plug[i].len < le16_to_cpu(pda->rec[j]->len)) {
+ pr_err("error: Plug vs. PDR len mismatch for plugrec 0x%04x, abort plugging.\n",
+ s3plug[i].itemcode);
+ result = 1;
+ continue;
+ }
+
+ /* Validate plug address against chunk data and identify chunk */
+ for (c = 0; c < nfchunks; c++) {
+ cstart = fchunk[c].addr;
+ cend = fchunk[c].addr + fchunk[c].len;
+ if (pstart >= cstart && pend <= cend)
+ break;
+ }
+ if (c >= nfchunks) {
+ pr_err("error: Failed to find image chunk for plugrec 0x%04x.\n",
+ s3plug[i].itemcode);
+ result = 1;
+ continue;
+ }
+
+ /* Plug data */
+ chunkoff = pstart - cstart;
+ dest = fchunk[c].data + chunkoff;
+ pr_debug("Plugging item 0x%04x @ 0x%06x, len=%d, cnum=%d coff=0x%06x\n",
+ s3plug[i].itemcode, pstart, s3plug[i].len,
+ c, chunkoff);
+
+ if (j == -1) { /* plug the filename */
+ memset(dest, 0, s3plug[i].len);
+ strncpy(dest, PRISM2_USB_FWFILE, s3plug[i].len - 1);
+ } else { /* plug a PDR */
+ memcpy(dest, &(pda->rec[j]->data), s3plug[i].len);
+ }
+ }
+ return result;
+
+}
+
+/*----------------------------------------------------------------
+* read_cardpda
+*
+* Sends the command for the driver to read the pda from the card
+* named in the device variable. Upon success, the card pda is
+* stored in the "cardpda" variables. Note that the pda structure
+* is considered 'well formed' after this function. That means
+* that the nrecs is valid, the rec array has been set up, and there's
+* a valid PDAEND record in the raw PDA data.
+*
+* Arguments:
+* pda pda structure
+* wlandev device
+*
+* Returns:
+* 0 - success
+* ~0 - failure (probably an errno)
+----------------------------------------------------------------*/
+static int read_cardpda(struct pda *pda, wlandevice_t *wlandev)
+{
+ int result = 0;
+ struct p80211msg_p2req_readpda *msg;
+
+ msg = kzalloc(sizeof(*msg), GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ /* set up the msg */
+ msg->msgcode = DIDmsg_p2req_readpda;
+ msg->msglen = sizeof(msg);
+ strcpy(msg->devname, wlandev->name);
+ msg->pda.did = DIDmsg_p2req_readpda_pda;
+ msg->pda.len = HFA384x_PDA_LEN_MAX;
+ msg->pda.status = P80211ENUM_msgitem_status_no_value;
+ msg->resultcode.did = DIDmsg_p2req_readpda_resultcode;
+ msg->resultcode.len = sizeof(u32);
+ msg->resultcode.status = P80211ENUM_msgitem_status_no_value;
+
+ if (prism2mgmt_readpda(wlandev, msg) != 0) {
+ /* prism2mgmt_readpda prints an errno if appropriate */
+ result = -1;
+ } else if (msg->resultcode.data == P80211ENUM_resultcode_success) {
+ memcpy(pda->buf, msg->pda.data, HFA384x_PDA_LEN_MAX);
+ result = mkpdrlist(pda);
+ } else {
+ /* resultcode must've been something other than success */
+ result = -1;
+ }
+
+ kfree(msg);
+ return result;
+}
+
+/*----------------------------------------------------------------
+* read_fwfile
+*
+* Reads the given fw file which should have been compiled from an srec
+* file. Each record in the fw file will either be a plain data record,
+* a start address record, or other records used for plugging.
+*
+* Note that data records are expected to be sorted into
+* ascending address order in the fw file.
+*
+* Note also that the start address record, originally an S7 record in
+* the srec file, is expected in the fw file to be like a data record but
+* with a certain address to make it identifiable.
+*
+* Here's the SREC format that the fw should have come from:
+* S[37]nnaaaaaaaaddd...dddcc
+*
+* nn - number of bytes starting with the address field
+* aaaaaaaa - address in readable (or big endian) format
+* dd....dd - 0-245 data bytes (two chars per byte)
+* cc - checksum
+*
+* The S7 record's (there should be only one) address value gets
+* converted to an S3 record with address of 0xff400000, with the
+* start address being stored as a 4 byte data word. That address is
+* the start execution address used for RAM downloads.
+*
+* The S3 records have a collection of subformats indicated by the
+* value of aaaaaaaa:
+* 0xff000000 - Plug record, data field format:
+* xxxxxxxxaaaaaaaassssssss
+* x - PDR code number (little endian)
+* a - Address in load image to plug (little endian)
+* s - Length of plug data area (little endian)
+*
+* 0xff100000 - CRC16 generation record, data field format:
+* aaaaaaaassssssssbbbbbbbb
+* a - Start address for CRC calculation (little endian)
+* s - Length of data to calculate over (little endian)
+* b - Boolean, true=write crc, false=don't write
+*
+* 0xff200000 - Info record, data field format:
+* ssssttttdd..dd
+* s - Size in words (little endian)
+* t - Info type (little endian), see #defines and
+* struct s3inforec for details about types.
+* d - (s - 1) little endian words giving the contents of
+* the given info type.
+*
+* 0xff400000 - Start address record, data field format:
+* aaaaaaaa
+* a - Address in load image to plug (little endian)
+*
+* Arguments:
+* record firmware image (ihex record structure) in kernel memory
+*
+* Returns:
+* 0 - success
+* ~0 - failure (probably an errno)
+----------------------------------------------------------------*/
+static int read_fwfile(const struct ihex_binrec *record)
+{
+ int i;
+ int rcnt = 0;
+ u16 *tmpinfo;
+ u16 *ptr16;
+ u32 *ptr32, len, addr;
+
+ pr_debug("Reading fw file ...\n");
+
+ while (record) {
+
+ rcnt++;
+
+ len = be16_to_cpu(record->len);
+ addr = be32_to_cpu(record->addr);
+
+ /* Point into data for different word lengths */
+ ptr32 = (u32 *) record->data;
+ ptr16 = (u16 *) record->data;
+
+ /* parse what was an S3 srec and put it in the right array */
+ switch (addr) {
+ case S3ADDR_START:
+ startaddr = *ptr32;
+ pr_debug(" S7 start addr, record=%d addr=0x%08x\n",
+ rcnt,
+ startaddr);
+ break;
+ case S3ADDR_PLUG:
+ s3plug[ns3plug].itemcode = *ptr32;
+ s3plug[ns3plug].addr = *(ptr32 + 1);
+ s3plug[ns3plug].len = *(ptr32 + 2);
+
+ pr_debug(" S3 plugrec, record=%d itemcode=0x%08x addr=0x%08x len=%d\n",
+ rcnt,
+ s3plug[ns3plug].itemcode,
+ s3plug[ns3plug].addr,
+ s3plug[ns3plug].len);
+
+ ns3plug++;
+ if (ns3plug == S3PLUG_MAX) {
+ pr_err("S3 plugrec limit reached - aborting\n");
+ return 1;
+ }
+ break;
+ case S3ADDR_CRC:
+ s3crc[ns3crc].addr = *ptr32;
+ s3crc[ns3crc].len = *(ptr32 + 1);
+ s3crc[ns3crc].dowrite = *(ptr32 + 2);
+
+ pr_debug(" S3 crcrec, record=%d addr=0x%08x len=%d write=0x%08x\n",
+ rcnt,
+ s3crc[ns3crc].addr,
+ s3crc[ns3crc].len,
+ s3crc[ns3crc].dowrite);
+ ns3crc++;
+ if (ns3crc == S3CRC_MAX) {
+ pr_err("S3 crcrec limit reached - aborting\n");
+ return 1;
+ }
+ break;
+ case S3ADDR_INFO:
+ s3info[ns3info].len = *ptr16;
+ s3info[ns3info].type = *(ptr16 + 1);
+
+ pr_debug(" S3 inforec, record=%d len=0x%04x type=0x%04x\n",
+ rcnt,
+ s3info[ns3info].len,
+ s3info[ns3info].type);
+ if (((s3info[ns3info].len - 1) * sizeof(u16)) > sizeof(s3info[ns3info].info)) {
+ pr_err("S3 inforec length too long - aborting\n");
+ return 1;
+ }
+
+ tmpinfo = (u16 *)&(s3info[ns3info].info.version);
+ pr_debug(" info=");
+ for (i = 0; i < s3info[ns3info].len - 1; i++) {
+ tmpinfo[i] = *(ptr16 + 2 + i);
+ pr_debug("%04x ", tmpinfo[i]);
+ }
+ pr_debug("\n");
+
+ ns3info++;
+ if (ns3info == S3INFO_MAX) {
+ pr_err("S3 inforec limit reached - aborting\n");
+ return 1;
+ }
+ break;
+ default: /* Data record */
+ s3data[ns3data].addr = addr;
+ s3data[ns3data].len = len;
+ s3data[ns3data].data = (uint8_t *) record->data;
+ ns3data++;
+ if (ns3data == S3DATA_MAX) {
+ pr_err("S3 datarec limit reached - aborting\n");
+ return 1;
+ }
+ break;
+ }
+ record = ihex_next_binrec(record);
+ }
+ return 0;
+}
+
+/*----------------------------------------------------------------
+* writeimage
+*
+* Takes the chunks, builds p80211 messages and sends them down
+* to the driver for writing to the card.
+*
+* Arguments:
+* wlandev device
+* fchunk Array of image chunks
+* nfchunks Number of image chunks
+*
+* Returns:
+* 0 success
+* ~0 failure
+----------------------------------------------------------------*/
+static int writeimage(wlandevice_t *wlandev, struct imgchunk *fchunk,
+ unsigned int nfchunks)
+{
+ int result = 0;
+ struct p80211msg_p2req_ramdl_state *rstmsg;
+ struct p80211msg_p2req_ramdl_write *rwrmsg;
+ u32 resultcode;
+ int i;
+ int j;
+ unsigned int nwrites;
+ u32 curroff;
+ u32 currlen;
+ u32 currdaddr;
+
+ rstmsg = kzalloc(sizeof(*rstmsg), GFP_KERNEL);
+ rwrmsg = kzalloc(sizeof(*rwrmsg), GFP_KERNEL);
+ if (!rstmsg || !rwrmsg) {
+ kfree(rstmsg);
+ kfree(rwrmsg);
+ netdev_err(wlandev->netdev,
+ "writeimage: no memory for firmware download, aborting download\n");
+ return -ENOMEM;
+ }
+
+ /* Initialize the messages */
+ strcpy(rstmsg->devname, wlandev->name);
+ rstmsg->msgcode = DIDmsg_p2req_ramdl_state;
+ rstmsg->msglen = sizeof(*rstmsg);
+ rstmsg->enable.did = DIDmsg_p2req_ramdl_state_enable;
+ rstmsg->exeaddr.did = DIDmsg_p2req_ramdl_state_exeaddr;
+ rstmsg->resultcode.did = DIDmsg_p2req_ramdl_state_resultcode;
+ rstmsg->enable.status = P80211ENUM_msgitem_status_data_ok;
+ rstmsg->exeaddr.status = P80211ENUM_msgitem_status_data_ok;
+ rstmsg->resultcode.status = P80211ENUM_msgitem_status_no_value;
+ rstmsg->enable.len = sizeof(u32);
+ rstmsg->exeaddr.len = sizeof(u32);
+ rstmsg->resultcode.len = sizeof(u32);
+
+ strcpy(rwrmsg->devname, wlandev->name);
+ rwrmsg->msgcode = DIDmsg_p2req_ramdl_write;
+ rwrmsg->msglen = sizeof(*rwrmsg);
+ rwrmsg->addr.did = DIDmsg_p2req_ramdl_write_addr;
+ rwrmsg->len.did = DIDmsg_p2req_ramdl_write_len;
+ rwrmsg->data.did = DIDmsg_p2req_ramdl_write_data;
+ rwrmsg->resultcode.did = DIDmsg_p2req_ramdl_write_resultcode;
+ rwrmsg->addr.status = P80211ENUM_msgitem_status_data_ok;
+ rwrmsg->len.status = P80211ENUM_msgitem_status_data_ok;
+ rwrmsg->data.status = P80211ENUM_msgitem_status_data_ok;
+ rwrmsg->resultcode.status = P80211ENUM_msgitem_status_no_value;
+ rwrmsg->addr.len = sizeof(u32);
+ rwrmsg->len.len = sizeof(u32);
+ rwrmsg->data.len = WRITESIZE_MAX;
+ rwrmsg->resultcode.len = sizeof(u32);
+
+ /* Send xxx_state(enable) */
+ pr_debug("Sending dl_state(enable) message.\n");
+ rstmsg->enable.data = P80211ENUM_truth_true;
+ rstmsg->exeaddr.data = startaddr;
+
+ result = prism2mgmt_ramdl_state(wlandev, rstmsg);
+ if (result) {
+ netdev_err(wlandev->netdev,
+ "writeimage state enable failed w/ result=%d, aborting download\n",
+ result);
+ goto free_result;
+ }
+ resultcode = rstmsg->resultcode.data;
+ if (resultcode != P80211ENUM_resultcode_success) {
+ netdev_err(wlandev->netdev,
+ "writeimage()->xxxdl_state msg indicates failure, w/ resultcode=%d, aborting download.\n",
+ resultcode);
+ result = 1;
+ goto free_result;
+ }
+
+ /* Now, loop through the data chunks and send WRITESIZE_MAX data */
+ for (i = 0; i < nfchunks; i++) {
+ nwrites = fchunk[i].len / WRITESIZE_MAX;
+ nwrites += (fchunk[i].len % WRITESIZE_MAX) ? 1 : 0;
+ curroff = 0;
+ for (j = 0; j < nwrites; j++) {
+ /* TODO Move this to a separate function */
+ int lenleft = fchunk[i].len - (WRITESIZE_MAX * j);
+
+ if (fchunk[i].len > WRITESIZE_MAX)
+ currlen = WRITESIZE_MAX;
+ else
+ currlen = lenleft;
+ curroff = j * WRITESIZE_MAX;
+ currdaddr = fchunk[i].addr + curroff;
+ /* Setup the message */
+ rwrmsg->addr.data = currdaddr;
+ rwrmsg->len.data = currlen;
+ memcpy(rwrmsg->data.data,
+ fchunk[i].data + curroff, currlen);
+
+ /* Send flashdl_write(pda) */
+ pr_debug
+ ("Sending xxxdl_write message addr=%06x len=%d.\n",
+ currdaddr, currlen);
+
+ result = prism2mgmt_ramdl_write(wlandev, rwrmsg);
+
+ /* Check the results */
+ if (result) {
+ netdev_err(wlandev->netdev,
+ "writeimage chunk write failed w/ result=%d, aborting download\n",
+ result);
+ goto free_result;
+ }
+ resultcode = rstmsg->resultcode.data;
+ if (resultcode != P80211ENUM_resultcode_success) {
+ pr_err("writeimage()->xxxdl_write msg indicates failure, w/ resultcode=%d, aborting download.\n",
+ resultcode);
+ result = 1;
+ goto free_result;
+ }
+
+ }
+ }
+
+ /* Send xxx_state(disable) */
+ pr_debug("Sending dl_state(disable) message.\n");
+ rstmsg->enable.data = P80211ENUM_truth_false;
+ rstmsg->exeaddr.data = 0;
+
+ result = prism2mgmt_ramdl_state(wlandev, rstmsg);
+ if (result) {
+ netdev_err(wlandev->netdev,
+ "writeimage state disable failed w/ result=%d, aborting download\n",
+ result);
+ goto free_result;
+ }
+ resultcode = rstmsg->resultcode.data;
+ if (resultcode != P80211ENUM_resultcode_success) {
+ netdev_err(wlandev->netdev,
+ "writeimage()->xxxdl_state msg indicates failure, w/ resultcode=%d, aborting download.\n",
+ resultcode);
+ result = 1;
+ goto free_result;
+ }
+
+free_result:
+ kfree(rstmsg);
+ kfree(rwrmsg);
+ return result;
+}
+
+static int validate_identity(void)
+{
+ int i;
+ int result = 1;
+ int trump = 0;
+
+ pr_debug("NIC ID: %#x v%d.%d.%d\n",
+ nicid.id, nicid.major, nicid.minor, nicid.variant);
+ pr_debug("MFI ID: %#x v%d %d->%d\n",
+ rfid.id, rfid.variant, rfid.bottom, rfid.top);
+ pr_debug("CFI ID: %#x v%d %d->%d\n",
+ macid.id, macid.variant, macid.bottom, macid.top);
+ pr_debug("PRI ID: %#x v%d %d->%d\n",
+ priid.id, priid.variant, priid.bottom, priid.top);
+
+ for (i = 0; i < ns3info; i++) {
+ switch (s3info[i].type) {
+ case 1:
+ pr_debug("Version: ID %#x %d.%d.%d\n",
+ s3info[i].info.version.id,
+ s3info[i].info.version.major,
+ s3info[i].info.version.minor,
+ s3info[i].info.version.variant);
+ break;
+ case 2:
+ pr_debug("Compat: Role %#x Id %#x v%d %d->%d\n",
+ s3info[i].info.compat.role,
+ s3info[i].info.compat.id,
+ s3info[i].info.compat.variant,
+ s3info[i].info.compat.bottom,
+ s3info[i].info.compat.top);
+
+ /* MAC compat range */
+ if ((s3info[i].info.compat.role == 1) &&
+ (s3info[i].info.compat.id == 2)) {
+ if (s3info[i].info.compat.variant !=
+ macid.variant) {
+ result = 2;
+ }
+ }
+
+ /* PRI compat range */
+ if ((s3info[i].info.compat.role == 1) &&
+ (s3info[i].info.compat.id == 3)) {
+ if ((s3info[i].info.compat.bottom > priid.top)
+ || (s3info[i].info.compat.top <
+ priid.bottom)) {
+ result = 3;
+ }
+ }
+ /* SEC compat range */
+ if ((s3info[i].info.compat.role == 1) &&
+ (s3info[i].info.compat.id == 4)) {
+ /* FIXME: isn't something missing here? */
+ }
+
+ break;
+ case 3:
+ pr_debug("Seq: %#x\n", s3info[i].info.buildseq);
+
+ break;
+ case 4:
+ pr_debug("Platform: ID %#x %d.%d.%d\n",
+ s3info[i].info.version.id,
+ s3info[i].info.version.major,
+ s3info[i].info.version.minor,
+ s3info[i].info.version.variant);
+
+ if (nicid.id != s3info[i].info.version.id)
+ continue;
+ if (nicid.major != s3info[i].info.version.major)
+ continue;
+ if (nicid.minor != s3info[i].info.version.minor)
+ continue;
+ if ((nicid.variant != s3info[i].info.version.variant) &&
+ (nicid.id != 0x8008))
+ continue;
+
+ trump = 1;
+ break;
+ case 0x8001:
+ pr_debug("name inforec len %d\n", s3info[i].len);
+
+ break;
+ default:
+ pr_debug("Unknown inforec type %d\n", s3info[i].type);
+ }
+ }
+ /* walk through */
+
+ if (trump && (result != 2))
+ result = 0;
+ return result;
+}
Code Review / kvmfornfv.git / blobdiff